Finding the Fourth Proportional to 11,449,595.20, 15,800,539.68 and 6,293,076.80
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Solution
The fourth proportional to 11,449,595.20, 15,800,539.68 and 6,293,076.80 is: 8,684,500.02
Step by Step Solution
- Step 1: Write the proportion equation
11,449,595.20 : 15,800,539.68 = 6,293,076.80 : x - Step 2: Convert to fraction form
11,449,595.20/15,800,539.68 = 6,293,076.80/x - Step 3: Cross multiply
11,449,595.20x = 15,800,539.68 × 6,293,076.80 - Step 4: Simplify right side
11,449,595.20x = 99,434,009,687,687.42 - Step 5: Solve for x
x = 99,434,009,687,687.42/11,449,595.20 - Step 6: Final answer
x = 8,684,500.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.